Mail Archives: djgpp/1997/05/10/19:47:15
Erik Max Francis wrote:
>
> Chris Croughton wrote:
>
> > > first, this is pure and simple C. in any case, void is not a valid
> > > return type for main.
> >
> > Incorrect. Void is a perfectly good return type for main.
>
> Wrong. ANSI C standard, section 5.1.2.2.1.
>
> > > main has to return an int.
> >
> > No it doesn't. It only needs to generate any specific exit value
> > if you will be using the result to test the state of the program
> > afterwards (like in make or with the batch ERRORLEVEL).
>
> No; the standard dictates that main must conform to one of the following
> two prototypes:
>
> int main(void);
> int main(int argc, char *argv[]);
>
> > And even
> > then it's perfectly valid to use exit(n) rather than return.
>
> ANSI C 7.10.4.3. Control is returned to the host environment, and
> successful termination or unsuccessful termination is "returned." This
> means that from the point of view of a program-executing environment,
> calling exit makes the program look like it returned from main.
>
> > It may be considered, in some places, good /style/ to declare main
> > as int, but that's a long way from it being an absolute.
>
> No. It is an ANSI violation to have main return anything other than int,
> even if your host environment doesn't do anything valuable with the return
> values.
>
> > Even with -Wall -ansi -pedantic I can't get gcc to complain about
> > void main...
>
> So? Just because a compiler doesn't complain about something doesn't that
> something ANSI C compliant.
> --
> Erik Max Francis, &tSftDotIotE / email / max AT alcyone DOT com
> Alcyone Systems / web / http://www.alcyone.com/max/
> San Jose, California, United States / icbm / 37 20 07 N 121 53 38 W
> \
> "The future / is right there."
> / Bill Moyers
Sorry, I didn't mean for my sloppy coding, and using mostly code I found
on the net, to start a debate. :/
so, the stdio.h was the problem with the rand(). That part of the code
is what I got off a tutorial, so I assumed it to be correct. as for my
code for slowing down the program, i should do something like delay(250)
or something... and for the 'void main(void) y'all confused me a bit.
should i do something like:
int main()
{
...
return 0;
}
remember, newbie here, just trying to clear things up in my mind. I'd
like to do things correctly.... someday. please be patient.
Ross
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